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workaround for CAPDU's inability to handle le=0000

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This commit is contained in:
Frank Morgner
2012-09-05 09:38:08 +02:00
parent b7bdc3da88
commit 6fb20b0549
1 changed files with 5 additions and 2 deletions
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7
virtualsmartcard/src/vpicc/virtualsmartcard/SEutils.py
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@@ -18,7 +18,7 @@
# #
from virtualsmartcard.TLVutils import pack, unpack, bertlv_pack from virtualsmartcard.TLVutils import pack, unpack, bertlv_pack
from virtualsmartcard.ConstantDefinitions import CRT_TEMPLATE, ALGO_MAPPING, \ from virtualsmartcard.ConstantDefinitions import CRT_TEMPLATE, ALGO_MAPPING, \
SM_Class SM_Class, MAX_EXTENDED_LE
from virtualsmartcard.utils import inttostring, stringtoint, C_APDU from virtualsmartcard.utils import inttostring, stringtoint, C_APDU
from virtualsmartcard.SWutils import SwError, SW from virtualsmartcard.SWutils import SwError, SW
import virtualsmartcard.CryptoUtils as vsCrypto import virtualsmartcard.CryptoUtils as vsCrypto
@@ -398,7 +398,10 @@ class Security_Environment(object):
if isinstance(le, str): if isinstance(le, str):
# FIXME C_APDU only handles le with strings of length 1. Better patch utils.py to support extended length apdus # FIXME C_APDU only handles le with strings of length 1. Better patch utils.py to support extended length apdus
le = stringtoint(le) le_int = stringtoint(le)
if le_int == 0 and len(le) > 1:
le_int = MAX_EXTENDED_LE
le = le_int
c = C_APDU(cla=cla, ins=ins, p1=p1, p2=p2, le=le, data="".join(return_data)) c = C_APDU(cla=cla, ins=ins, p1=p1, p2=p2, le=le, data="".join(return_data))
return c return c